1、Unit 3Protecting ourselvesSection Grammar练习.快速找出下列文章的topic sentence，supporting paragraphs 和conclusive sentenceAHaving a husband means an extra seven hours of housework each week for women，according to a new study.For men，getting married saves an hour of housework a week.“Its a wellknown pattern，”sai
2、d lead researcher Frank Stafford at University of Michigans Institute for Social Research.“Men usually work more outside the home，while women take on more of the housework.”He points out that differences among households (家庭) exist.But in general，marriage means more housework for women and less for
3、men.“And the situation gets worse for women when they have children，”Stafford said.Overall，times are changing in the American home.In 1976，women busied themselves with 26 weekly hours of sweepinganddusting work，compared with 17 hours in 2005.Men are taking on more housework，more than doubling their
4、housework hours from 6 in 1976 to 13 in 2005.Single women in their 20s and 30s do the least housework，about 12 weekly hours，while married women in their 60s and 70s do the mostabout 21 hours a week.Men show a somewhat different pattern，with older men picking up the broom more often than younger men.
5、Single men work the hardest around the house，more than that of all other age groups of married men.Having children increases housework even further.With more than three children，for example，wives take on more of the extra work，clocking about 28 hours a week compared with husbands 10 hours.1Topic sen
6、tence：_2Supporting paragraphs：_3Conclusive sentence：_BHonesty comes in many forms.First theres self honesty.Is what people see the real article or do you appear through smoke and mirrors？I find that if I try to be something Im not，I feel unsure of myself and take out a part from my PBA (personal ban
7、k account)I love how singer Judy Garland put it，“Always be a firstclass version(版本) of yourself，instead of a secondclass version of somebody else.”Then theres honesty in our actions.Are you honest at school，with your parents，and with your boss？If youve ever been dishonest，I think we all have，try bei
8、ng honest，and notice how whole it makes you feel.Remember，you cant do wrong and feel right.This story is a good example of that!In my second year of study，there were three kids in my math class who didnt do well.I was really good at it.I would charge them three dollars for each test that I helped th
9、em pass.Id write on a little piece of paper all the right answers，and hand them off.At first I felt like I was making money，kind of a nice job.I wasnt thinking about how it could hurt all of us.After a while I realized I shouldnt do that anymore，because I wasnt really helping them.They werent learni
10、ng anything，and it would only get harder down the road.Cheating certainly wasnt helping me.It takes courage to be honest when people all around you are getting away with cheating on tests，lying to their parents，and stealing at work.But，remember，every act of honesty is a deposit(储蓄) into your PBA and
11、 will build strength.1Topic sentence：_2Supporting paragraphs：_3Conclusive sentence：_.阅读理解People should be warned against using mobile phones outdoors in stormy weather because they may “be struck by lightning”， according to doctors.Three experts have described how a teenage girl was struck by lightn
12、ing while using her phone in a large London park.The girl, aged 15, recovered, but a year later was still wheelchairbound and found to be suffering complex physical and emotional problems.The girl also had a perforate eardrum(打孔耳膜)on the side where she had been holding the mobile phone.She was havin
13、g general recovery in Northwick Park Hospital, Middlesex.Swinda Esprit, a senior house officer, said that while the brain and muscle damage was similar to that of many lightning victimswho can experience heart attacks on being struckthe ear problems were not.She said that the damages were particular
14、ly relevant for people who might be involved in less serious lightning incidents, who might otherwise recover, but would never get their full hearing back if struck while on the phone.“We were shocked by the damage, which is why we wanted to draw attention to it，” Dr.Esprit said.“A year on and she s
15、till was suffering these difficult hearing.”They added that three other cases had been reported in newspapers in China, South Korea, and Malaysia.In the Malaysian case, a sales executive was killed by lightning while talking on his phone during a thunderstorm near Kuala Lumpur.“All these events resu
16、lted in death，” the doctors wrote.“This rare phenomenon is a public health issue, and education is necessary to stress the risk.”The Australian Lightning Protection Standard recommends that metallic objects, including cordless or mobile phones, should not be carried outdoors during thunderstorms.How
17、ever，the United States National Weather Service says on its website that both are safe to use “because there is no direct path between you and the lightening” Paul Taylor, of“the Met Office”， said the ear injuries were a consequence of mobile phones being metal, and not related to radio waves.Mr.Tay
18、lor said that mobile phones should be treated as another piece of metal, similar to carrying coins or wearing rings, and people need to be warned against the possible danger.1What do we know about the teenage girl?AShe was struck by lightning at school.BShe completely recovered from being struck.CSh
19、e still suffered from mental problems.DShe had to press her ear all day.2It can be inferred that damage done by lightening while using mobile phones _.Ais more serious than that when one is not using a mobile phoneBcan be healed quickly except for heart attacksCis less serious because the victims ca
20、n usually recoverDis mainly in the brain and muscle of the victims3Why did doctors stress the risk about using phones outside in lightening?ABecause more people are faced with it.BBecause some deaths have been caused.CBecause lightning is harmful for the brain.DBecause a teenage girl got killed.4We
21、can infer from the last three paragraphs that _.Aboth cordless and mobile phones are safe to use outside in lightningBthere is no direct connection between lightning and ear injuries at allCopinions differ as to whether it is safe to use mobile phones in lightningDear injuries are the result of carr
22、ying coins or wearing rings in lightning5The purpose in writing this passage is _.Ato draw attention to the risk of using mobile phones in lightningBto focus on various damages done to lightning victimsCto tell us the news that a teenage girl was struck by lightningDto stress the danger of making ph
23、one calls in lightning参考答案. A1.Having a husband means an extra seven hours of housework each week for women.2Paragraphs 2,3,4,53With more than three children，wives take on more of the extra work，clocking about 28 hours a week compared with husbands 10 hours.B1.Honesty comes in many forms.2Paragraphs
24、 2,3,43Every act of honesty is a deposit(储蓄) into your PBA and will build strength. 1.C提示：由第二段的The girl，aged 15，recovered，but a year later was still wheelchairbound and found to be suffering complex physical and emotional problems.可知应选C项。其他三项与短文内容不符。2A提示：由第五段的描述我们可以推断A项正确。B、C、D三项不符合短文的陈述。3B提示：根据第八段“
25、All these events resulted in death，”the doctors wrote.“This rare phenomenon is a public health issue，and education is necessary to stress the risk.”可知答案为B项。4C提示：倒数第三段讲到了澳大利亚的防雷法让人们警惕移动电话能引发雷电伤害的危险；倒数第二段中Paul Taylor却说雷电伤害与无线信号没有关系；最后一段中Mr.Taylor表明移动手机在雷电中有可能遭遇类似其他金属物带来的危险。由此可见，最后三段陈述的是关于在雷电中使用手机是否安全的不同观点。5A提示：本文从雷电中使用手机的受害者开始，到对受害人受害程度与严重性的介绍，然后又列举了受害人致死的情况，最后是有关人士关于在雷电中使用手机安全性的观点。文章这样的陈述无非就是提醒人们在雷电中使用手机的危险性。
